add missing autotools file to ignore
move m4 dir to autoconf directory
sort .gitignore by build methods
map folders
slim down autotools ignore
bump up automake version to solve m4 bug
travis: add new autotools ppa
move cmake output folders in build directory
Merge pull request #85 from carstene1ns/master

autotools/cmake/gitignore cleanup
travis: be quiet.
Merge pull request #86 from carstene1ns/master

missing commit from #85